Mortgage Servicing Rights ("MSRs") (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]
Fair value at beginning of year	$ 230,225	$ 147,571	$ 92,081
Additions from loans sold with servicing retained	28,610	46,221	72,754
Servicing rights sold	(30,170)	0	0
Estimate of changes in fair value due to:
Early buyout options (“EBO”) exercised	48	(176)	(749)
Payoffs and paydowns	$ (17,108)	$ (23,455)	$ (34,788)
Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage banking	Mortgage banking	Mortgage banking
Changes in valuation inputs or assumptions	$ (19,149)	$ 60,064	$ 18,273
Fair value at end of year	192,456	230,225	147,571
Unpaid principal balance of mortgage loans serviced for others	$ 12,007,165	$ 14,052,596	$ 13,126,254